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www.franconian.net/static/kevin-master/video-conferencing.html

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Add KEVIN with custom STUN/TURN server
2021-12-11 23:51:33 +01:00
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Video Conferencing using RTCMultiConnection</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
Fix KEVIN's relative paths
2021-12-12 00:05:39 +01:00
<link rel="stylesheet" href="assets/css/stylesheet.css">
Add KEVIN with custom STUN/TURN server
2021-12-11 23:51:33 +01:00
</head>
<body>
<h1>
Video Conferencing using RTCMultiConnection
<p class="no-mobile">
Multi-user (many-to-many) video chat using mesh networking model.
</p>
</h1>
<section class="make-center">
<div>
<label><input type="checkbox" id="record-entire-conference"> Record Entire Conference In The Browser?</label>
<span id="recording-status" style="display: none;"></span>
<button id="btn-stop-recording" style="display: none;">Stop Recording</button>
<br><br>
<input type="text" id="room-id" value="abcdef" autocorrect=off autocapitalize=off size=20>
<button id="open-room">Open Room</button>
<button id="join-room">Join Room</button>
<button id="view-room">View Room</button>
<button id="open-or-join-room">Auto Open Or Join Room</button>
</div>
<div id="videos-container" style="margin: 20px 0;"></div>
<div id="room-urls" style="text-align: center;display: none;background: #F1EDED;margin: 15px -10px;border: 1px solid rgb(189, 189, 189);border-left: 0;border-right: 0;"></div>
</section>
<script src="assets/js/RTCMultiConnection.js"></script>
<script src="assets/js/adapter.js"></script>
Fix KEVIN's relative paths
2021-12-12 00:05:39 +01:00
<script src="https://kevin.c3voc.de/socket.io/socket.io.js"></script>
Add KEVIN with custom STUN/TURN server
2021-12-11 23:51:33 +01:00
<!-- custom layout for HTML5 audio/video elements -->
<link rel="stylesheet" href="assets/css/getHTMLMediaElement.css">
<script src="assets/js/getHTMLMediaElement.js"></script>
<script src="assets/js/RecordRTC.js"></script>
<script>
// ......................................................
// .......................UI Code........................
// ......................................................
document.getElementById('open-room').onclick = function() {
disableInputButtons();
connection.open(document.getElementById('room-id').value, function(isRoomOpened, roomid, error) {
if(isRoomOpened === true) {
showRoomURL(connection.sessionid);
}
else {
disableInputButtons(true);
if(error === 'Room not available') {
alert('Someone already created this room. Please either join or create a separate room.');
return;
}
alert(error);
}
});
};
document.getElementById('join-room').onclick = function() {
disableInputButtons();
connection.join(document.getElementById('room-id').value, function(isJoinedRoom, roomid, error) {
if (error) {
disableInputButtons(true);
if(error === 'Room not available') {
alert('This room does not exist. Please either create it or wait for moderator to enter in the room.');
return;
}
alert(error);
}
});
};
document.getElementById('view-room').onclick = function() {
disableInputButtons();
connection.sdpConstraints.mandatory = {
OfferToReceiveAudio: true,
OfferToReceiveVideo: true
};
connection.session = {
audio: true,
video: true,
oneway: true
};
connection.join(document.getElementById('room-id').value, function(isJoinedRoom, roomid, error) {
if (error) {
disableInputButtons(true);
if(error === 'Room not available') {
alert('This room does not exist. Please either create it or wait for moderator to enter in the room.');
return;
}
alert(error);
}
});
};
document.getElementById('open-or-join-room').onclick = function() {
disableInputButtons();
connection.openOrJoin(document.getElementById('room-id').value, function(isRoomExist, roomid, error) {
if(error) {
disableInputButtons(true);
alert(error);
}
else if (connection.isInitiator === true) {
// if room doesn't exist, it means that current user will create the room
showRoomURL(roomid);
}
});
};
// ......................................................
// ..................RTCMultiConnection Code.............
// ......................................................
var connection = new RTCMultiConnection();
connection.socketURL = 'https://kevin.c3voc.de/';
connection.socketMessageEvent = 'rC3-VOCcast';
connection.session = {
audio: true,
video: true,
//oneway: true
};
connection.sdpConstraints.mandatory = {
OfferToReceiveAudio: true,
OfferToReceiveVideo: true
};
// STAR_FIX_VIDEO_AUTO_PAUSE_ISSUES
// via: https://github.com/muaz-khan/RTCMultiConnection/issues/778#issuecomment-524853468
var bitrates = 512;
var resolutions = 'Ultra-HD';
var videoConstraints = {};
if (resolutions == 'HD') {
videoConstraints = {
width: {
ideal: 1280
},
height: {
ideal: 720
},
frameRate: 30
};
}
if (resolutions == 'Ultra-HD') {
videoConstraints = {
width: {
ideal: 1920
},
height: {
ideal: 1080
},
frameRate: 30
};
}
connection.mediaConstraints = {
video: videoConstraints,
audio: true
};
var CodecsHandler = connection.CodecsHandler;
connection.processSdp = function(sdp) {
var codecs = 'vp8';
if (codecs.length) {
sdp = CodecsHandler.preferCodec(sdp, codecs.toLowerCase());
}
if (resolutions == 'HD') {
sdp = CodecsHandler.setApplicationSpecificBandwidth(sdp, {
audio: 128,
video: bitrates,
screen: bitrates
});
sdp = CodecsHandler.setVideoBitrates(sdp, {
min: bitrates * 8 * 1024,
max: bitrates * 8 * 1024,
});
}
if (resolutions == 'Ultra-HD') {
sdp = CodecsHandler.setApplicationSpecificBandwidth(sdp, {
audio: 128,
video: bitrates,
screen: bitrates
});
sdp = CodecsHandler.setVideoBitrates(sdp, {
min: bitrates * 8 * 1024,
max: bitrates * 8 * 1024,
});
}
return sdp;
};
// END_FIX_VIDEO_AUTO_PAUSE_ISSUES
// https://www.rtcmulticonnection.org/docs/iceServers/
// use your own TURN-server here!
connection.iceServers = [];
connection.iceServers.push({
'urls': 'stun:stun.franconian.net:3478',
});
connection.iceServers.push({
'urls': 'turn:stun.franconian.net:3478',
'credential': 'ec0WlmT6lj0p4ou8XFAV66nTDopm9JPra3TnIIkxUM1VaqwAzTtoFqbXVeOoFsdU',
'username': 'turnuser',
});
connection.videosContainer = document.getElementById('videos-container');
connection.onstream = function(event) {
var existing = document.getElementById(event.streamid);
if(existing && existing.parentNode) {
existing.parentNode.removeChild(existing);
}
event.mediaElement.removeAttribute('src');
event.mediaElement.removeAttribute('srcObject');
event.mediaElement.muted = true;
event.mediaElement.volume = 0;
var video = document.createElement('video');
try {
video.setAttributeNode(document.createAttribute('autoplay'));
video.setAttributeNode(document.createAttribute('playsinline'));
} catch (e) {
video.setAttribute('autoplay', true);
video.setAttribute('playsinline', true);
}
if(event.type === 'local') {
video.volume = 0;
try {
video.setAttributeNode(document.createAttribute('muted'));
} catch (e) {
video.setAttribute('muted', true);
}
}
video.srcObject = event.stream;
var width = parseInt(connection.videosContainer.clientWidth / 3) - 20;
var mediaElement = getHTMLMediaElement(video, {
title: event.userid,
buttons: ['full-screen'],
width: width,
showOnMouseEnter: false
});
connection.videosContainer.appendChild(mediaElement);
setTimeout(function() {
mediaElement.media.play();
}, 5000);
mediaElement.id = event.streamid;
// to keep room-id in cache
localStorage.setItem(connection.socketMessageEvent, connection.sessionid);
chkRecordConference.parentNode.style.display = 'none';
if(chkRecordConference.checked === true) {
btnStopRecording.style.display = 'inline-block';
recordingStatus.style.display = 'inline-block';
var recorder = connection.recorder;
if(!recorder) {
recorder = RecordRTC([event.stream], {
type: 'video'
});
recorder.startRecording();
connection.recorder = recorder;
}
else {
recorder.getInternalRecorder().addStreams([event.stream]);
}
if(!connection.recorder.streams) {
connection.recorder.streams = [];
}
connection.recorder.streams.push(event.stream);
recordingStatus.innerHTML = 'Recording ' + connection.recorder.streams.length + ' streams';
}
if(event.type === 'local') {
connection.socket.on('disconnect', function() {
if(!connection.getAllParticipants().length) {
location.reload();
}
});
}
};
var recordingStatus = document.getElementById('recording-status');
var chkRecordConference = document.getElementById('record-entire-conference');
var btnStopRecording = document.getElementById('btn-stop-recording');
btnStopRecording.onclick = function() {
var recorder = connection.recorder;
if(!recorder) return alert('No recorder found.');
recorder.stopRecording(function() {
var blob = recorder.getBlob();
invokeSaveAsDialog(blob);
connection.recorder = null;
btnStopRecording.style.display = 'none';
recordingStatus.style.display = 'none';
chkRecordConference.parentNode.style.display = 'inline-block';
});
};
connection.onstreamended = function(event) {
var mediaElement = document.getElementById(event.streamid);
if (mediaElement) {
mediaElement.parentNode.removeChild(mediaElement);
}
};
connection.onMediaError = function(e) {
if (e.message === 'Concurrent mic process limit.') {
if (DetectRTC.audioInputDevices.length <= 1) {
alert('Please select external microphone. Check github issue number 483.');
return;
}
var secondaryMic = DetectRTC.audioInputDevices[1].deviceId;
connection.mediaConstraints.audio = {
deviceId: secondaryMic
};
connection.join(connection.sessionid);
}
};
// ..................................
// ALL below scripts are redundant!!!
// ..................................
function disableInputButtons(enable) {
document.getElementById('room-id').onkeyup();
document.getElementById('open-or-join-room').disabled = !enable;
document.getElementById('open-room').disabled = !enable;
document.getElementById('join-room').disabled = !enable;
document.getElementById('view-room').disabled = !enable;
document.getElementById('room-id').disabled = !enable;
}
// ......................................................
// ......................Handling Room-ID................
// ......................................................
function showRoomURL(roomid) {
var roomHashURL = '#' + roomid;
var roomQueryStringURL = '?roomid=' + roomid;
var roomViewQueryStringURL = '?action=view&roomid=' + roomid;
var html = '<h2>Unique URL for your room:</h2><br>';
html += 'Hash URL: <a href="' + roomHashURL + '" target="_blank">' + roomHashURL + '</a>';
html += '<br>';
html += 'Join URL: <a href="' + roomQueryStringURL + '" target="_blank">' + roomQueryStringURL + '</a>';
html += '<br>';
html += 'View URL: <a href="' + roomViewQueryStringURL + '" target="_blank">' + roomViewQueryStringURL + '</a>';
var roomURLsDiv = document.getElementById('room-urls');
roomURLsDiv.innerHTML = html;
roomURLsDiv.style.display = 'block';
}
(function() {
var params = {},
r = /([^&=]+)=?([^&]*)/g;
function d(s) {
return decodeURIComponent(s.replace(/\+/g, ' '));
}
var match, search = window.location.search;
while (match = r.exec(search.substring(1)))
params[d(match[1])] = d(match[2]);
window.params = params;
console.log(params);
})();
var roomid = '';
if (localStorage.getItem(connection.socketMessageEvent)) {
roomid = localStorage.getItem(connection.socketMessageEvent);
} else {
roomid = connection.token();
}
var txtRoomId = document.getElementById('room-id');
txtRoomId.value = roomid;
txtRoomId.onkeyup = txtRoomId.oninput = txtRoomId.onpaste = function() {
localStorage.setItem(connection.socketMessageEvent, document.getElementById('room-id').value);
};
var hashString = location.hash.replace('#', '');
if (hashString.length && hashString.indexOf('comment-') == 0) {
hashString = '';
}
var roomid = params.roomid;
if (!roomid && hashString.length) {
roomid = hashString;
}
var action = params.action
if (roomid && roomid.length) {
document.getElementById('room-id').value = roomid;
localStorage.setItem(connection.socketMessageEvent, roomid);
// auto-join-room
(function reCheckRoomPresence() {
connection.checkPresence(roomid, function(isRoomExist) {
if (isRoomExist) {
if (action && action == 'view') {
connection.sdpConstraints.mandatory = {
OfferToReceiveAudio: true,
OfferToReceiveVideo: true
};
connection.session = {
audio: true,
video: true,
oneway: true
};
connection.join(roomid);
return;
} else {
connection.join(roomid);
return;
}
}
setTimeout(reCheckRoomPresence, 5000);
});
})();
disableInputButtons();
}
// detect 2G
if(navigator.connection &&
navigator.connection.type === 'cellular' &&
navigator.connection.downlinkMax <= 0.115) {
alert('2G is not supported. Please use a better internet service.');
}
</script>
</body>
</html>